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how do you calculate feet of head

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DennisG
DennisG Member Posts: 1
in THE MAIN WALL

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  • scrook_2
    scrook_2 Member Posts: 610
    from psi?

    1 psi = 2.31 feet of water or 1 ft of water = 0.43 psi

    Or (what I suspect you mean) if you want the head loss in ft of water per 100' of tube or pipe at a specified flowrate, you'd look it up in a table -- See Burnham's Heating Helper for example (Google their site for it) or Cameron Hydraulic Data, or Thomas Glover's Pocket Ref (available here -- see the Books & More section -- for purchase. Elbows, tees, valves checks, etc. are converted to an equivalent length of pipe.
  • Kal Row
    Kal Row Member Posts: 1,520
    and dont forget..

    the water temp (and viscosity if you add anti-freeze)
    just buy ziggis software, (hydronicspros.com), it's so much easier - not to mention less error prone

    i really got to start getting commission for this ;)
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